In the aftermath of recent pedestrian fatalities, a lot of attention has been placed on lowering speed limits across New York City to improve safety. But the city's former traffic commissioner argues that other approaches would be more effective.

With traffic deaths in New York City approaching falling homicide rates, calls for improving road safety are increasing. William Bratton, the former and future NYPD Commissioner, has signaled street safety will be a priority, exciting advocates.

Want to know how many people drive in your city? The answers are easy to find. But for anyone trying to find out how many people bike and walk, it's not so easy. The result is problematic for safety and spending advocates alike. This may soon change.

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